- char *p = buf;
-
- if (size < 1)
- return;
-
- if (_rand_dev_fd >= 0) {
- if (syscall(SYS_read, _rand_dev_fd, buf, size) == size)
- return;
- syscall(SYS_close, _rand_dev_fd);
- _rand_dev_fd = -1;
- }
-
- while (size--)
- *p++ = rand();
-}
-
-int in_group_p(gid_t gid)
-{
- int i;
-
- if (gid == current->fsgid)
- return 1;
-
- for (i = 0; i < current->ngroups; i++) {
- if (gid == current->groups[i])
- return 1;
- }
-
- return 0;
-}
-
-static void init_capability(int *res)
-{
- cap_t syscap;
- cap_flag_value_t capval;
- int i;
-
- *res = 0;
-
- syscap = cap_get_proc();
- if (!syscap) {
- printf("Liblustre: Warning: failed to get system capability, "
- "set to minimal\n");
- return;
- }
-
- for (i = 0; i < sizeof(cap_value_t) * 8; i++) {
- if (!cap_get_flag(syscap, i, CAP_EFFECTIVE, &capval)) {
- if (capval == CAP_SET) {
- *res |= 1 << i;
- }
- }
- }
-}
-
-static int init_current(char *comm)
-{
- current = malloc(sizeof(*current));
- if (!current) {
- CERROR("Not enough memory\n");
- return -ENOMEM;
- }
- current->fs = ¤t->__fs;
- current->fs->umask = umask(0777);
- umask(current->fs->umask);
-
- strncpy(current->comm, comm, sizeof(current->comm));
- current->pid = getpid();
- current->fsuid = geteuid();
- current->fsgid = getegid();
- memset(¤t->pending, 0, sizeof(current->pending));
-
- current->max_groups = sysconf(_SC_NGROUPS_MAX);
- current->groups = malloc(sizeof(gid_t) * current->max_groups);
- if (!current->groups) {
- CERROR("Not enough memory\n");
- return -ENOMEM;
- }
- current->ngroups = getgroups(current->max_groups, current->groups);
- if (current->ngroups < 0) {
- perror("Error getgroups");
- return -EINVAL;
- }
-
- init_capability(¤t->cap_effective);
-
- return 0;
-}
-
-void generate_random_uuid(unsigned char uuid_out[16])
-{
- get_random_bytes(uuid_out, sizeof(uuid_out));
-}
-
-ptl_nid_t tcpnal_mynid;
-
-int init_lib_portals()
-{
- int max_interfaces;
- int rc;
- ENTRY;
-
- rc = PtlInit(&max_interfaces);
- if (rc != PTL_OK) {
- CERROR("PtlInit failed: %d\n", rc);
- RETURN (-ENXIO);
- }
- RETURN(0);
-}
-
-int
-libcfs_nal_cmd(struct portals_cfg *pcfg)
-{
- /* handle portals command if we want */
- return 0;
-}
-
-extern int class_handle_ioctl(unsigned int cmd, unsigned long arg);
-
-int lib_ioctl_nalcmd(int dev_id, unsigned int opc, void * ptr)
-{
- struct portal_ioctl_data *ptldata;
-
- if (opc == IOC_PORTAL_NAL_CMD) {
- ptldata = (struct portal_ioctl_data *) ptr;
-
- if (ptldata->ioc_nal_cmd == NAL_CMD_REGISTER_MYNID) {
- tcpnal_mynid = ptldata->ioc_nid;
- printf("mynid: %u.%u.%u.%u\n",
- (unsigned)(tcpnal_mynid>>24) & 0xFF,
- (unsigned)(tcpnal_mynid>>16) & 0xFF,
- (unsigned)(tcpnal_mynid>>8) & 0xFF,
- (unsigned)(tcpnal_mynid) & 0xFF);
- }
- }
-
- return (0);
-}
-
-int lib_ioctl(int dev_id, unsigned int opc, void * ptr)
-{
- int rc;
-
- if (dev_id == OBD_DEV_ID) {
- struct obd_ioctl_data *ioc = ptr;
-
- //XXX hack!!!
- ioc->ioc_plen1 = ioc->ioc_inllen1;
- ioc->ioc_pbuf1 = ioc->ioc_bulk;
- //XXX
-
- rc = class_handle_ioctl(opc, (unsigned long)ptr);
-
- printf ("proccssing ioctl cmd: %x, rc %d\n", opc, rc);
-
- if (rc)
- return rc;
- }
- return (0);
-}
-
-int lllib_init(char *dumpfile)
-{
- pid_t pid;
- uint32_t ip;
- struct in_addr in;
-
- if (!g_zconf) {
- /* this parse only get my nid from config file
- * before initialize portals
- */
- if (parse_dump(dumpfile, lib_ioctl_nalcmd))
- return -1;
- } else {
- /* need to setup mynid before tcpnal initialization */
- /* a meaningful nid could help debugging */
- ip = get_ipv4_addr();
- if (ip == 0)
- get_random_bytes(&ip, sizeof(ip));
- pid = getpid() & 0xffffffff;
- tcpnal_mynid = ((uint64_t)ip << 32) | pid;
-
- in.s_addr = htonl(ip);
- printf("LibLustre: TCPNAL NID: %016llx (%s:%u)\n",
- tcpnal_mynid, inet_ntoa(in), pid);
- }
-
- if (init_current("dummy") ||
- init_obdclass() ||